| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Vehicle tyre repairing | |
| #3 | Explosive charges | |
| #4 | Jet-propulsion plants | |
| #5 | Motor vehicles | |
| #6 | Machines | |
| #7 | Belts or cables for driving |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nicolas Gherassimoff | 4 |
| #2 | Gherassimoff Nicolas | 4 |
| #3 | Crookston John Gray | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB293800A | Metal outer cover for tires and tread band therefor | |
| US1707393A | Power-transmitting mechanism for automobiles and other purposes | |
| US1632731A | Wheel tire | |
| US1559073A | Progressive change-speed gear | |
| GB203689A | Improvements in or relating to change speed gear | |
| US1381866A | Progressive and reversible change-speed mechanism | |
| GB164283A | Progressive and reversible change-speed mechanism |